New York: Norman W. Henley Publishing Co. 1910. First Edition. vi, 83, , 24 pages. Small 8vo. Green cloth. Stamp of Holmes Book Co in Los Angeles on front flyleaf and similar embossed stamp on title page. Very Good. Cloth. 
A useful book for anyone interested in building their own Dynamo. Step by step instructions, and illustrated with sixty-four original engravings showing the actual work in progress.